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*.[ch]: make a distinction between SCM as a generic

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name for a Scheme object (now a void*), and SCM as 32 bit word for
storing tags and immediates (now a long int).  Introduced
SCM_ASWORD and SCM_ASSCM for conversion. Fixed various dubious
code in the process: arbiter.c (use macros), unif.c (scm_array_p),
This commit is contained in:
Greg J. Badros 2000-03-09 18:58:58 +00:00
parent df8bb2dc39
commit c209c88e54
53 changed files with 1371 additions and 1361 deletions
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13
libguile/stacks.h
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@ -56,7 +56,8 @@
*/
typedef struct scm_info_frame {
SCM flags;
//SCM flags;
SCMWORD flags;
SCM source;
SCM proc;
SCM args;
@ -107,11 +108,11 @@ extern SCM scm_stack_type;
#define SCM_FRAMEF_EVAL_ARGS (1L << 5)
#define SCM_FRAMEF_OVERFLOW (1L << 6)
#define SCM_FRAME_VOID_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_VOID)
#define SCM_FRAME_REAL_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_REAL)
#define SCM_FRAME_PROC_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_PROC)
#define SCM_FRAME_EVAL_ARGS_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_EVAL_ARGS)
#define SCM_FRAME_OVERFLOW_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_OVERFLOW)
#define SCM_FRAME_VOID_P(frame) (SCM_ASWORD (SCM_FRAME_FLAGS (frame)) & SCM_FRAMEF_VOID)
#define SCM_FRAME_REAL_P(frame) (SCM_ASWORD (SCM_FRAME_FLAGS (frame)) & SCM_FRAMEF_REAL)
#define SCM_FRAME_PROC_P(frame) (SCM_ASWORD (SCM_FRAME_FLAGS (frame)) & SCM_FRAMEF_PROC)
#define SCM_FRAME_EVAL_ARGS_P(frame) (SCM_ASWORD (SCM_FRAME_FLAGS (frame)) & SCM_FRAMEF_EVAL_ARGS)
#define SCM_FRAME_OVERFLOW_P(frame) (SCM_ASWORD (SCM_FRAME_FLAGS (frame)) & SCM_FRAMEF_OVERFLOW)